djavu-asus/emacs/elpy/rpc-venv/lib/python3.11/site-packages/setuptools/command/setopt.py

   1 from distutils.util import convert_path
   2 from distutils import log
   3 from distutils.errors import DistutilsOptionError
   4 import distutils
   5 import os
   6 import configparser
   7
   8 from setuptools import Command
   9
  10 __all__ = ['config_file', 'edit_config', 'option_base', 'setopt']
  11
  12
  13 def config_file(kind="local"):
  14     """Get the filename of the distutils, local, global, or per-user config
  15
  16     `kind` must be one of "local", "global", or "user"
  17     """
  18     if kind == 'local':
  19         return 'setup.cfg'
  20     if kind == 'global':
  21         return os.path.join(
  22             os.path.dirname(distutils.__file__), 'distutils.cfg'
  23         )
  24     if kind == 'user':
  25         dot = os.name == 'posix' and '.' or ''
  26         return os.path.expanduser(convert_path("~/%spydistutils.cfg" % dot))
  27     raise ValueError(
  28         "config_file() type must be 'local', 'global', or 'user'", kind
  29     )
  30
  31
  32 def edit_config(filename, settings, dry_run=False):
  33     """Edit a configuration file to include `settings`
  34
  35     `settings` is a dictionary of dictionaries or ``None`` values, keyed by
  36     command/section name.  A ``None`` value means to delete the entire section,
  37     while a dictionary lists settings to be changed or deleted in that section.
  38     A setting of ``None`` means to delete that setting.
  39     """
  40     log.debug("Reading configuration from %s", filename)
  41     opts = configparser.RawConfigParser()
  42     opts.optionxform = lambda x: x
  43     opts.read([filename])
  44     for section, options in settings.items():
  45         if options is None:
  46             log.info("Deleting section [%s] from %s", section, filename)
  47             opts.remove_section(section)
  48         else:
  49             if not opts.has_section(section):
  50                 log.debug("Adding new section [%s] to %s", section, filename)
  51                 opts.add_section(section)
  52             for option, value in options.items():
  53                 if value is None:
  54                     log.debug(
  55                         "Deleting %s.%s from %s",
  56                         section, option, filename
  57                     )
  58                     opts.remove_option(section, option)
  59                     if not opts.options(section):
  60                         log.info("Deleting empty [%s] section from %s",
  61                                  section, filename)
  62                         opts.remove_section(section)
  63                 else:
  64                     log.debug(
  65                         "Setting %s.%s to %r in %s",
  66                         section, option, value, filename
  67                     )
  68                     opts.set(section, option, value)
  69
  70     log.info("Writing %s", filename)
  71     if not dry_run:
  72         with open(filename, 'w') as f:
  73             opts.write(f)
  74
  75
  76 class option_base(Command):
  77     """Abstract base class for commands that mess with config files"""
  78
  79     user_options = [
  80         ('global-config', 'g',
  81          "save options to the site-wide distutils.cfg file"),
  82         ('user-config', 'u',
  83          "save options to the current user's pydistutils.cfg file"),
  84         ('filename=', 'f',
  85          "configuration file to use (default=setup.cfg)"),
  86     ]
  87
  88     boolean_options = [
  89         'global-config', 'user-config',
  90     ]
  91
  92     def initialize_options(self):
  93         self.global_config = None
  94         self.user_config = None
  95         self.filename = None
  96
  97     def finalize_options(self):
  98         filenames = []
  99         if self.global_config:
 100             filenames.append(config_file('global'))
 101         if self.user_config:
 102             filenames.append(config_file('user'))
 103         if self.filename is not None:
 104             filenames.append(self.filename)
 105         if not filenames:
 106             filenames.append(config_file('local'))
 107         if len(filenames) > 1:
 108             raise DistutilsOptionError(
 109                 "Must specify only one configuration file option",
 110                 filenames
 111             )
 112         self.filename, = filenames
 113
 114
 115 class setopt(option_base):
 116     """Save command-line options to a file"""
 117
 118     description = "set an option in setup.cfg or another config file"
 119
 120     user_options = [
 121         ('command=', 'c', 'command to set an option for'),
 122         ('option=', 'o', 'option to set'),
 123         ('set-value=', 's', 'value of the option'),
 124         ('remove', 'r', 'remove (unset) the value'),
 125     ] + option_base.user_options
 126
 127     boolean_options = option_base.boolean_options + ['remove']
 128
 129     def initialize_options(self):
 130         option_base.initialize_options(self)
 131         self.command = None
 132         self.option = None
 133         self.set_value = None
 134         self.remove = None
 135
 136     def finalize_options(self):
 137         option_base.finalize_options(self)
 138         if self.command is None or self.option is None:
 139             raise DistutilsOptionError("Must specify --command *and* --option")
 140         if self.set_value is None and not self.remove:
 141             raise DistutilsOptionError("Must specify --set-value or --remove")
 142
 143     def run(self):
 144         edit_config(
 145             self.filename, {
 146                 self.command: {self.option.replace('-', '_'): self.set_value}
 147             },
 148             self.dry_run
 149         )